Citrus Tuna Melt

This warm toasted sandwich is easy to make. Our recipe uses one slice of bread per serving. An open-faced sandwich has less sodium and fewer calories.

191kcal per serving
21 gprotein
17 gcarbohydrates
4 gfat
6servings (1 open sandwich)

Ingredients

"Nutrition facts" links go to the closest generic food on FoodFactly, per 100 g.

Nutrition facts per serving

NutrientPer serving% DV
Calories 191 kcal
Total fat 4 g 5%
Saturated fat 2 g 10%
Cholesterol 24 mg 8%
Sodium 408 mg 18%
Total carbohydrates 17 g 6%
Dietary fiber 4 g 14%
Total sugars 2 g
Added sugars 1 g 2%
Protein 21 g 42%
Vitamin D 1 µg 5%
Calcium 152 mg 12%
Iron 2 mg 11%
Potassium 380 mg 8%

Nutrition analysis per serving as published by USDA with the recipe. % DV: percent of the FDA Daily Value for adults.

MyPlate food groups per serving

  • Grains: 1 ounces
  • Protein Foods: 2 ounces

Directions

  1. Preheat oven to 350 °F.
  2. In a medium-sized bowl, combine tuna, lime juice, onion, tomatoes, apple, celery, and pepper. Mix well.
  3. Toast the bread.
  4. Place 6 slices of toasted bread on a cookie sheet. Put an even amount of tuna mixture on top of each slice. If using parsley and chilies, add these too.
  5. Put 1/2 slice cheese on top of the tuna and bake for about 3 minutes.
  6. Add an extra slice of tomato and lettuce on top if you like.
  7. Serve hot.

Notes

Learn more about: Limes Lemons Onions Tomatoes Apples Celery Herbs Lettuce

Source

A Harvest of Recipes with USDA Foods USDA Food Distribution Program on Indian Reservations

Published on USDA MyPlate Kitchen (www.myplate.gov/recipes/citrus-tuna-melt, retired by USDA in January 2026; archived copy). A work of the US federal government, in the public domain.

General nutrition information, not medical advice.

Frequently asked questions

How many calories are in Citrus Tuna Melt?

One serving has 191 kcal. The recipe makes 6 servings (1 open sandwich each).

How much protein is in Citrus Tuna Melt?

21 g of protein per serving, with 17 g of carbohydrates and 4 g of fat.

What do I need to make Citrus Tuna Melt?

13 ingredients: 1 can (about 12 ounces) tuna, drained, 2 tablespoons lime (or lemon) juice, 1/2 cup onion, diced, 1/4 cup tomatoes, diced (or 2 tablespoons, about 2 ounces, low-sodium diced tomatoes, drained), 1/2 cup apple, diced and 1/4 cup celery, diced ….